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Finding the Fourth Proportional to 445,291.78, 668,831.07 and 265,727.49

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Solution

The fourth proportional to 445,291.78, 668,831.07 and 265,727.49 is: 399,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,291.78 : 668,831.07 = 265,727.49 : x
  2. Step 2: Convert to fraction form
    445,291.78/668,831.07 = 265,727.49/x
  3. Step 3: Cross multiply
    445,291.78x = 668,831.07 × 265,727.49
  4. Step 4: Simplify right side
    445,291.78x = 177,726,799,953.48
  5. Step 5: Solve for x
    x = 177,726,799,953.48/445,291.78
  6. Step 6: Final answer
    x = 399,124.37

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